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Finding the Fourth Proportional to 345,592.68, 477,006.90 and 225,034.92

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Solution

The fourth proportional to 345,592.68, 477,006.90 and 225,034.92 is: 310,606.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,592.68 : 477,006.90 = 225,034.92 : x
  2. Step 2: Convert to fraction form
    345,592.68/477,006.90 = 225,034.92/x
  3. Step 3: Cross multiply
    345,592.68x = 477,006.90 × 225,034.92
  4. Step 4: Simplify right side
    345,592.68x = 107,343,209,580.95
  5. Step 5: Solve for x
    x = 107,343,209,580.95/345,592.68
  6. Step 6: Final answer
    x = 310,606.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.